<?php
###############################################################################
#
# Script Name: cli.splitter.php
# Description: split large pictures into small pieces
# Copyright (C) 2007 Jiang Kuan
#
# Usage: php -q ./cli.splitter.php [source image] [target folder]
# [source image] -- image to be splitted
# [target folder] -- path where you wish to store the splitted files
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
###############################################################################
require_once(dirname(dirname(__FILE__)).'/class/class.imagesplitter.php');
$usage = 'Usage: php -q ./cli.splitter.php [source image] [target folder]
[source image] -- image to be splitted
[target folder] -- path where you wish to store the splitted files
';
if (count($argv)==1) exit($usage);
if(!is_file($argv[1])) exit("Invalide source file!\n$usage");
if(!is_dir($argv[2])) exit("Invalide output directory does not exist!\n$usage");
$path = $argv[2];
$res = imagecreatefromstring(file_get_contents($argv[1]));
$w = imagesx($res);
$h = imagesy($res);
$max_zoom = ceil(log10(max($w, $h)/256)/log10(2));
echo "\nThe image size is $w x $h, and Maximum Zoom level should be set to $max_zoom\n\nWell, now let's start to generating cache for \"{$argv[1]}\". Please wait for a while";
for($i=$max_zoom; $i>=0; $i--){
echo '.';
$splitter = new ImageSplitter;
if($i==0) $splitter->centerMode = IMAGE_SPLITTER_CENTER_NORMAL;
$splitter->outputType = IMAGETYPE_JPEG;
$splitter->ratio = pow(0.5, $max_zoom-$i);
$splitter->Load($res);
$splitter->GetAllTiles($path, "tile$i-", '.jpg');
}
echo "\n\nAll image pieces are successfully generated!\n";
imagedestroy($res);
?>
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